2025-2026 Toyota bZ4X SUV Electric Vehicle system -> Things to know before charging User Manual
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Electric Vehicle system -> Things to know before charging for Your Toyota bZ4X SUV Second Generation (2025-2026)

102  
2-2. Charging  
When the charging cable is  
Things to know before  
charging  
connected to the vehicle  
Do not change the shift position  
from P.  
Make sure to read the fol-  
lowing precautions before  
charging the traction bat-  
tery.  
In the unlikely event that the  
charging cable has been dam-  
aged, the shift position may  
change from P to another position  
and the vehicle could move, pos-  
sibly leading to an accident.  
Safety functions  
Charging precautions  
The EV system will not start while  
the charging cable is attached to  
the vehicle, even if the power  
switch is operated.  
This vehicle has been designed to  
allow charging from an external  
power source using an AC  
charging cable for exclusive use  
with standard household AC out-  
lets.  
If the charging cable is connected  
while the “READY” indicator is illu-  
minated, the EV system will stop  
automatically and driving will not  
be possible.  
However, the vehicle differs  
greatly from standard household  
electrical goods in the following  
ways, and incorrect usage could  
cause fire or electric shock, possi-  
bly leading to death or serious  
injury.  
WARNING  
Caution when charging  
People with implantable cardiac  
pacemakers or cardiac resynchro-  
nization therapy-pacemakers  
should not carry out the charging  
procedure. Ask someone else to  
do it.  
When 240V charging, a large  
amount of current will flow for a  
long time.  
Charging can be conducted out-  
doors.  
Do not approach the charger  
and charging cable while  
charging.  
Charging procedure may affect  
the operation of such devices.  
NOTICE  
Charging precautions  
To charge properly, follow the pro-  
cedure after reading the explana-  
tion below. Charging is intended  
to be carried out by licensed driv-  
ers only who properly understand  
the charging procedure.  
Do not remain in the vehicle  
during charging.  
Charging procedure may affect  
the operation of such devices.  
Do not enter the vehicle even to  
take something out of the lug-  
gage compartment.  
Charging procedure may affect  
the operation of such devices.  
Do not allow people who is not  
used to charging, such as chil-  
dren, to perform charging with-  
out supervision.  
Also, keep the AC charging  
cable out of reach of infants.  
Owners Manual_USA_M42C01_en  
103  
2-2. Charging  
motor compartment and its sur-  
rounding area in which the  
onboard traction battery charger is  
installed may get warm.  
NOTICE  
When charging with a charger,  
follow the procedures for using  
each charger.  
The surface of the CCID  
(Charging Circuit Interrupting  
Device) may become hot, but this  
does not indicate a malfunction.  
Confirm the following  
before charging  
Depending on radio wave condi-  
tions, interference may be heard  
on the radio.  
Before charging, always check  
the following items.  
When charging using a public  
charging facility  
2
The parking brake is applied.  
(P.243)  
When charging using a public  
charging facility, check the setting  
of the charging schedule function.  
• When the charging schedule is  
registered, temporarily turn off the  
function or turn “Charge Now” on.  
(P.119)  
• When the charging schedule is set  
to on, charging will not start even  
if the AC charging cable is con-  
nected. Also, charging fee may  
occur due to connection of the AC  
charging cable.  
The power switch is turned to  
OFF. (P.231)  
Lights such as the headlights,  
emergency flashers and inte-  
rior lights, etc. are turned off.  
If these light switches are turned  
on, then these features will con-  
sume electricity, and charging time  
will increase.  
Capacity reduction of the trac-  
tion battery  
The capacity of the traction battery  
will decline gradually when the trac-  
tion battery is in use. The rate at  
which it declines will differ in accor-  
dance with environmental conditions  
and the way in which the vehicle is  
used. Observing the following can  
help suppress the decline in the  
traction battery capacity.  
Inspecting the AC  
charging cable  
Before charging, make sure that  
each part of the AC charging  
cable is in good condition.  
(P.92)  
Avoid parking the vehicle in high  
temperature areas, under direct  
sunlight when the traction battery  
is fully charged.  
During charging  
The charging starting time may  
differ depending on the state of  
the vehicle, but this does not indi-  
cate a malfunction.  
Avoid accelerating and decelerat-  
ing frequently and suddenly.  
Avoid frequent driving at high  
speed.  
During charging, sounds may be  
heard from near the traction bat-  
tery in accordance with the opera-  
tion of the air conditioning system  
or “Battery Cooler” (P.99).  
Use the charging schedule func-  
tion as much as possible in order  
to fully charged the traction bat-  
tery before starting off. (P.118)  
During and after charging, the  
Owners Manual_USA_M42C01_en  
104  
2-2. Charging  
Avoid frequent DC charging  
ful interference, and (2) this device  
must accept any interference  
Also, if the capacity of the traction  
battery capacity reduces, the dis-  
tance that can be driven decreases.  
However, vehicle performance does  
not significantly become worse.  
received, including interference that  
may cause undesired operation.  
Charging time may increase  
In the following situations, charging  
time may become longer than nor-  
mal:  
When the remaining charge of  
the traction battery is low after  
charging  
In very hot or very cold tempera-  
tures.  
In the following situations, the  
When the traction battery  
becomes hot, such as immedi-  
ately after high-load driving.  
remaining charge of the traction bat-  
tery after charging completes may  
be less than normal in order to pro-  
tect the traction battery (the driving  
range after the battery is fully  
The vehicle is consuming a lot of  
electricity, for example, when the  
headlights are on, etc.  
*
charged may be shorter).  
When using “My Room Mode”.  
(P.129)  
Charging is performed when the  
outside temperature is low or high  
There is a power outage during  
charging.  
Charging is performed immedi-  
ately after high-load driving or in  
extreme heat  
There is an interruption in the  
electrical supply.  
In any other situation, if the remain-  
ing charge of the traction battery is  
significantly lower than normal after  
charging completes, have the vehi-  
cle inspected by your Toyota dealer.  
There is a drop in the voltage of  
external power source.  
The charge in the 12-volt battery  
is low, for example due to the  
vehicle being left unused for a  
long period of time.  
*
: When this occurs, even if the  
remaining charge display of the  
traction battery shows that it is  
fully charged, the remaining  
charge rapidly decreases faster  
than normal.  
When the upper limit of charging  
current is changed in the charging  
current setting of the vehicle  
(P.108)  
When the battery heater operates.  
(P.99)  
When the charging amount sent  
to the traction battery  
decreases  
When the “Battery Cooler” is oper-  
ated before charging. (P.99)  
When the plug generates heat  
due to a loose outlet connection,  
etc.  
When the amount of power supplied  
by the charger is low or operation of  
the battery heater, etc., reduces the  
charging power sent to the traction  
battery, the charging amount sent to  
the traction battery may decrease.  
When adjusting the power supply  
with the charger.  
When frequently and repeatedly  
using DC charging.  
Certification  
When selecting “DC charging  
This device complies with Part 15 of  
the FCC Rules. Operation is subject  
to the following two conditions:  
power” setting other than “MAX”.  
When the temperature of  
charging-related parts is high.  
(1) this device may not cause harm-  
Owners Manual_USA_M42C01_en  

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